nextcloud/lib/private/files/node/root.php

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<?php
/**
* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\Files\Node;
use OC\Files\Cache\Cache;
use OC\Files\Mount\Manager;
use OC\Files\Mount\Mount;
use OCP\Files\NotFoundException;
use OCP\Files\NotPermittedException;
use OC\Hooks\Emitter;
use OC\Hooks\PublicEmitter;
/**
* Class Root
*
* Hooks available in scope \OC\Files
* - preWrite(\OCP\Files\Node $node)
* - postWrite(\OCP\Files\Node $node)
* - preCreate(\OCP\Files\Node $node)
* - postCreate(\OCP\Files\Node $node)
* - preDelete(\OCP\Files\Node $node)
* - postDelete(\OCP\Files\Node $node)
* - preTouch(\OC\FilesP\Node $node, int $mtime)
* - postTouch(\OCP\Files\Node $node)
* - preCopy(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - postCopy(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - preRename(\OCP\Files\Node $source, \OCP\Files\Node $target)
* - postRename(\OCP\Files\Node $source, \OCP\Files\Node $target)
*
* @package OC\Files\Node
*/
class Root extends Folder implements Emitter {
/**
* @var \OC\Files\Mount\Manager $mountManager
*/
private $mountManager;
/**
* @var \OC\Hooks\PublicEmitter
*/
private $emitter;
/**
* @var \OC\User\User $user
*/
private $user;
/**
* @param \OC\Files\Mount\Manager $manager
* @param \OC\Files\View $view
* @param \OC\User\User $user
*/
public function __construct($manager, $view, $user) {
parent::__construct($this, $view, '');
$this->mountManager = $manager;
$this->user = $user;
$this->emitter = new PublicEmitter();
}
/**
* Get the user for which the filesystem is setup
*
* @return \OC\User\User
*/
public function getUser() {
return $this->user;
}
/**
* @param string $scope
* @param string $method
* @param callable $callback
*/
public function listen($scope, $method, $callback) {
$this->emitter->listen($scope, $method, $callback);
}
/**
* @param string $scope optional
* @param string $method optional
* @param callable $callback optional
*/
public function removeListener($scope = null, $method = null, $callback = null) {
$this->emitter->removeListener($scope, $method, $callback);
}
/**
* @param string $scope
* @param string $method
* @param Node[] $arguments
*/
public function emit($scope, $method, $arguments = array()) {
$this->emitter->emit($scope, $method, $arguments);
}
/**
* @param \OC\Files\Storage\Storage $storage
* @param string $mountPoint
* @param array $arguments
*/
public function mount($storage, $mountPoint, $arguments = array()) {
$mount = new Mount($storage, $mountPoint, $arguments);
$this->mountManager->addMount($mount);
}
/**
* @param string $mountPoint
* @return \OC\Files\Mount\Mount
*/
public function getMount($mountPoint) {
return $this->mountManager->find($mountPoint);
}
/**
* @param string $mountPoint
* @return \OC\Files\Mount\Mount[]
*/
public function getMountsIn($mountPoint) {
return $this->mountManager->findIn($mountPoint);
}
/**
* @param string $storageId
* @return \OC\Files\Mount\Mount[]
*/
public function getMountByStorageId($storageId) {
return $this->mountManager->findByStorageId($storageId);
}
/**
* @param int $numericId
* @return Mount[]
*/
public function getMountByNumericStorageId($numericId) {
return $this->mountManager->findByNumericId($numericId);
}
/**
* @param \OC\Files\Mount\Mount $mount
*/
public function unMount($mount) {
$this->mountManager->remove($mount);
}
/**
* @param string $path
* @throws \OCP\Files\NotFoundException
* @throws \OCP\Files\NotPermittedException
* @return string
*/
public function get($path) {
$path = $this->normalizePath($path);
if ($this->isValidPath($path)) {
$fullPath = $this->getFullPath($path);
if ($this->view->file_exists($fullPath)) {
return $this->createNode($fullPath);
} else {
throw new NotFoundException();
}
} else {
throw new NotPermittedException();
}
}
/**
* search file by id
*
* An array is returned because in the case where a single storage is mounted in different places the same file
* can exist in different places
*
* @param int $id
* @throws \OCP\Files\NotFoundException
* @return Node[]
*/
public function getById($id) {
$result = Cache::getById($id);
if (is_null($result)) {
throw new NotFoundException();
} else {
list($storageId, $internalPath) = $result;
$nodes = array();
$mounts = $this->mountManager->findByStorageId($storageId);
foreach ($mounts as $mount) {
$nodes[] = $this->get($mount->getMountPoint() . $internalPath);
}
return $nodes;
}
}
//most operations cant be done on the root
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function rename($targetPath) {
throw new NotPermittedException();
}
public function delete() {
throw new NotPermittedException();
}
/**
* @param string $targetPath
* @throws \OCP\Files\NotPermittedException
* @return \OC\Files\Node\Node
*/
public function copy($targetPath) {
throw new NotPermittedException();
}
/**
* @param int $mtime
* @throws \OCP\Files\NotPermittedException
*/
public function touch($mtime = null) {
throw new NotPermittedException();
}
/**
* @return \OC\Files\Storage\Storage
* @throws \OCP\Files\NotFoundException
*/
public function getStorage() {
throw new NotFoundException();
}
/**
* @return string
*/
public function getPath() {
return '/';
}
/**
* @return string
*/
public function getInternalPath() {
return '';
}
/**
* @return int
*/
public function getId() {
return null;
}
/**
* @return array
*/
public function stat() {
return null;
}
/**
* @return int
*/
public function getMTime() {
return null;
}
/**
* @return int
*/
public function getSize() {
return null;
}
/**
* @return string
*/
public function getEtag() {
return null;
}
/**
* @return int
*/
public function getPermissions() {
return \OCP\PERMISSION_CREATE;
}
/**
* @return bool
*/
public function isReadable() {
return false;
}
/**
* @return bool
*/
public function isUpdateable() {
return false;
}
/**
* @return bool
*/
public function isDeletable() {
return false;
}
/**
* @return bool
*/
public function isShareable() {
return false;
}
/**
* @return Node
* @throws \OCP\Files\NotFoundException
*/
public function getParent() {
throw new NotFoundException();
}
/**
* @return string
*/
public function getName() {
return '';
}
}